mature_transcript ncRNA http://en.wikipedia.org/wiki/NcRNA An RNA transcript that does not encode for a protein rather the RNA molecule is the gene product. known_ncrna sequence A ncRNA is a processed_transcript, so it may not contain parts such as transcribed_spacer_regions that are removed in the act of processing. For the corresponding primary_transcripts, please see term SO:0000483 nc_primary_transcript. noncoding RNA INSDC_qualifier:other http://www.gencodegenes.org/gencode_biotypes.html SO:0000655